Name: LHC TOP WG meeting
Start: 2023-11-29T14:00:00+01:00
End: 2023-12-01T18:00:00+01:00
Location: No location set

LHC TOP WG meeting

from Wednesday 29 November 2023 (14:00) to Friday 1 December 2023 (18:00)

Monday 27 November 2023
Tuesday 28 November 2023
Wednesday 29 November 2023
14:00 Session 1
Session 1
14:00 - 15:30
Contributions

14:00 Introduction - Fabio Maltoni (Universite Catholique de Louvain (UCL) (BE) and Università di Bologna) Maria Aldaya Martin (DESY) Wolfgang Wagner (Bergische Universitaet Wuppertal (DE))

14:30 CMS highlight 1: Search for extra Higgs bosons through same-sign top-quark production in association with an extra jet - Efe Yazgan (National Taiwan University (TW))

15:00 ATLAS highlight 1: Inclusive and differential ttZ cross-section measurement, including interpretations, with the full ATLAS Run 2 dataset - Dominik Babal (Slovak Academy of Sciences (SK))
15:30 Coffee break
Coffee break
15:30 - 16:00
16:00
16:00 - 17:30
Contributions

16:00 Comparison of the latest CMS and ATLAS measurements on FCNC in the top-quark sector - Daniel Spitzbart (Boston University (US))

16:30 Progress report on a combined EFT analysis of ATLAS and CMS results - Baptiste Ravina (Georg August Universitaet Goettingen (DE)) Kirill Skovpen (Ghent University (BE))

17:00 Indirect constraints on top quark operators from a global SMEFT analysis - Alfredo Stanzione
Thursday 30 November 2023
10:00 Modeling of top-quark final states
Modeling of top-quark final states
10:00 - 12:30
Contributions

10:00 Latest developments in Herwig 7 - Simon Platzer (University of Graz (AT))

10:30 Studies on the improvement of the matching uncertainty definition in top-quark processes simulated with Powheg+Pythia 8 - Katharina Voss (Universitaet Siegen (DE))

11:00 Modeling of tTbar with Powheg bb4l - Laurids Jeppe (Deutsches Elektronen-Synchrotron (DE))

11:30 Top quark physics with Pythia - Christian Preuss (University of Wuppertal)

12:00 Decay matrix element corrections in MC@NLO-type simulations with Pythia8 - Stefano Frixione (INFN)
12:30 Lunch break
Lunch break
12:30 - 14:00
14:00 SUSY searches in tTbar+MET and tc+MET final states with ATLAS - Simran Sunil Gurdasani (Albert Ludwigs Universitaet Freiburg (DE))
SUSY searches in tTbar+MET and tc+MET final states with ATLAS
- Simran Sunil Gurdasani (Albert Ludwigs Universitaet Freiburg (DE))
14:00 - 14:20
ATLAS conference notes: https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/CONFNOTES/ATLAS-CONF-2023-043/ and https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/CONFNOTES/ATLAS-CONF-2023-058/
14:20 Discussion
Discussion
14:20 - 14:30
14:30 Top-philic axion festival
Top-philic axion festival
14:30 - 15:30
Contributions

14:30 On the coupling of axion-like particles to the top quark - Fabian Esser

14:45 ALP effects in top-pair production - Vu Phan

15:00 Phenomenology of an elusive top-philic ALP at the LHC - Alberto Mariotti (Vrije Universiteit Brussel)

15:15 Distinguishing axion-like particles and CP-odd Higgs bosons in ttbar final states at the LHC - Christian Schwanenberger (Deutsches Elektronen-Synchrotron (DE))
15:30 Discussion
Discussion
15:30 - 15:55
15:55 Higgs interference effects in top-quark pair production in the 1HSM - Alexander Lind (Subatech, IMT Atlantique)
Higgs interference effects in top-quark pair production in the 1HSM
- Alexander Lind (Subatech, IMT Atlantique)
15:55 - 16:15
2309.16759: https://inspirehep.net/literature/2704864
16:15 Discussion
Discussion
16:15 - 16:25
16:25 ATLAS highlight 2: Ttbar+jets in ATLAS and a comparison with the CMS triple differential cross-section measurement, and tTbar in pPb collisions - Henriette Aarup Petersen (Deutsches Elektronen-Synchrotron (DE)) Miguel Angel Principe Martin (Universidad Autónoma de Madrid)
ATLAS highlight 2: Ttbar+jets in ATLAS and a comparison with the CMS triple differential cross-section measurement, and tTbar in pPb collisions
- Henriette Aarup Petersen (Deutsches Elektronen-Synchrotron (DE))
- Miguel Angel Principe Martin (Universidad Autónoma de Madrid)
16:25 - 16:50
16:50 Discussion
Discussion
16:50 - 17:00
Friday 1 December 2023
09:30 Quantum entanglement in tTbar production
Quantum entanglement in tTbar production
09:30 - 12:30
Contributions

09:30 Summary of the Quantum Observables discussions at GGI - Marcel Vos (IFIC Valencia (ES))

10:00 Observation of quantum entanglement with the ATLAS detector - Ethan Lewis Simpson (University of Glasgow (GB))

10:30 Quantum Entanglement and Bell Inequality Violation in Semi-Leptonic Top Decays - Arthur Wu (Pitt)

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